Detachable heel.



Patented May 6, I902,

M. L. HANSEN.

DETACHABLE HEEL.

(Application filed Nov. 11, 1901.

(No Model.)

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UNTTED STATES PATENT GEEI E.

MADS L. HANSEN, OF OAKLAND, CALIFORNIA.

DETACHABLE HEEL.

$IPEGIFIGATION forming part of Letters Patent No. 699,519, dated May 6, 1902.

Application filed November 11, 1901. Serial No. 81,932. (No model.)

To all whom, it may concern.-

Beit known that I, MADs L. HANSEN, a citizen of the United States, and a resident of Oakland, Alameda county, State of California, have invented certain new and useful Improvements in Detachable Heels for Boots or Shoes; and I do hereby declare the following to be a full, clear, and exact description of said invention, such as will enable others skilled in the art to which'it most nearly appertains to make, use, and practice the same.

My invention relates to an improved device for attaching india-rubber and other heels to boots and shoes, so that they can be readily detached and again attached to the same or to another boot or shoe for the purpose of equalizing the wear upon the heel and preserving a level tread.

It consists of an interlocking device applied between the heel portion of the sole and the heel proper, by which a series of hooks at difierent points of the heel-surface are simultaneously engaged with projecting pins on the upper surface of the heel proper, so as to unite them firmly together, all as hereinafter more fully described, referring to the accompanying drawings, in which- Figure 1 is a perspective view of a heel, showing the heel locked to the heel-plate. Fig. 2 is a perspective view of a heel, showing the top surface of the heel proper, with a canvas or other inserted substance to hold the pins. Fig. 3 is a plan View of the upper surface of the heel-plate. Fig. 4 is a plan View of the under surface of the heel-plate with its interlocking lever, and Fig. 5 shows the heel-plate attached to the heel portion of the sole.

Let A represent the heel proper of a boot or shoe. This heel can be made of indiarubber or of any other desired substance. When it is made of india-rubber or other soft yielding composition, I combine with it or otherwise secure in the upper face of the heel a piece of canvas B, which will serve as a body for holding and retaining the screws or pins 6. I use canvas as the preferable filling, because it is not affected by the heat necessary to vulcanize india-rubber; but it is apparent that any similar substance can be used for this purpose, and when the heel is made of leather or other substance that has solidity in itself this filling can be dispensed with. This canvas filling is placed in a depression in the upper surface of the heel proper, and the depression corresponds in shape to the m ultiple-armed hook hereinafter described.

D is an elastic flange which projects upward around the sides and rear upper edges of the heel to form a neat joint between the heel-seat and the heel proper.

In the canvas-filling B,I insert three or more screws or pins 6, each of which has an enlarged head,and this head,together with a portion of the length of the screw or pin, is allowed to project above the face of the depression. To the heel portion of the sole I firmly secure aheel-plate F by means of pegs, tacks, or pins, and to this heel-plate I attach a multiple-armed plate G by means of a center rivet it, upon and about which it can be slightly rotated by pressing upon a lever-arm i, which fits in the depression and projects slightly beyond the front face of the plate and heel. The heel-plate F has holes j made through it at points corresponding with the positions of the headed screws or pins 6 in the upper face of the heel, so that when the heel proper is placed upon the heel-plate the multiple-armed hook will fit into the depression and the heads of the pins will project into and through the holes in the plate. The arms of the multiple hook are each provided with a hook Zat its extremity, so that when the hook-plate is slightly rotated by pressure on the lever-arm i the hooks will simultaneously embrace the screws or pinsbeneath the heads and effectually lock theheel proper to the heel-plate.

It will be noticed that the pins are arranged at three points on the heel-face, so that they represent the angles of a triangle. They thus fasten the heel at three pointswhere'they are most eifective in holding the heel closely against the face of the heel-plate and heel portions of the sole; but a greater number of pins and hooks' could be used.

This device is quite simple and effective. It can be operated in a moment to attach or detach the heel, and there will be no danger of the projecting end of the lever being accidentally shifted by striking against an object,as it lies c'lose against the sole of the boot or shoe.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-

1. In a detachable heel for boots and shoes a metallic heel-plate attached to the heel-seat of the shoe: holes in said plate to receive the heads of screws or pins: a multiple-armed hook attached centrally to the plate on a swivel center: a lever-arm connected with the hook and adapted to project beyond the edge of the heel: a depression in the upper face of the heel adapted to receive the multiple-armed hook and its lever and screws or pins having heads projecting from the upper face of the heel and adapted to enter the holes in the heel-plate and be locked in position by hooks on the ends of the arms of the multiple-armed 2o MADS L. HANSEN.

Witnesses:

W. H. BENSON, A. J. JAooBsEN. 

